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Curium
Curium

Neptunium
Neptunium



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Facts About Curium and Neptunium

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1 Facts
1.1 Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
Not Available
1.2 Sources
Bombarding Plutonium with Helium Ions
Made by Bombarding Uranium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Edwin McMillan and Philip H. Abelson
1.3.2 Discovery
In 1944
In 1940
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~-9999 %
Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NANA
Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NANA
Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Radium
1E-13 1.4